Information handling apparatus



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15. IN A SYSTEM FOR READING A MAGNETIC RECORD HAVING A PLURALITY OFTRACKS AND BITS CONSITUTING CHARACTERS OF DIGITAL INFORMATION RECORDEDSEPARATELY ON DIFFERENT ONES OF SAID TRACKS, CERTAIN OF SAID CHARACTERSBEING KEY CHARACTERS, SAID SYSTEM INCLUDING A REGISTER HAVING APLURALITY OF SUCCESSIVE STAGES FOR SUCCESSIVELY STORING BITS READ FROMEACH OF SAID TRACKS, THE IMPROVEMENT COMPRISING MEANS FOR READING THEBITS OF SUCCESSIVE ONES OF SAID CHARACTERS INTO SAID REGISTER, MEANS FORRECOGNIZING THE ABSENCE AND PRESENCE OF EACH BIT CONSTITUTING A KEYCHARACTER OF SAID INFORMATION IN THE FINAL STAGE OF SAID REGISTER ANDFOR STORING SIGNALS IN RESPONSE THERETO, MEANS RESPONSIVE TO THEPRESENCE OF THE FIRST OF SAID BITS CONSTITUTING SAID KEY CHARACTER TOPROVIDE A SIGNAL FOR RESETTING ALL SAID STORING MEANS AFTER A GIVENPERIOD OF TIME, WHEREBY TO PERMIT RECOGNITION OF SUBSEQUENTLY RECORDEDONES OF SAID KEY CHARACTERS, AND MEANS RESPONSIVE TO THE STORAGE OF ALLOF THE BITS CONSITUTING SAID KEY CHARACTER IN SAID STORING MEANS FORINHIBITING THE OPERATION OF SAID RESETTING MEANS.